fix(bug): copy bug

src/controllers/selection.js

@@ -527,9 +527,10 @@ const selection = {
             // }, 10);
 
             var oInput = document.createElement('input');
+            oInput.setAttribute('readonly', 'readonly');
             oInput.value = cpdata;
             document.body.appendChild(oInput);
-            oInput.select(); // 选择对象
+            oInput.setSelectionRange(0, cpdata.length);
             document.execCommand("Copy");
             oInput.style.display='none';
             document.body.removeChild(oInput);